1911 Encyclopedia Britannica
Earl of Onslow
A title borne by an English family claiming descent from Roger, lord of Ondeslowe in the liberty of Shrewsbury in the 13th century. Richard Onslow (1528-1571), solicitor-general and then Speaker of the House of Commons in the reign of Elizabeth, was grandfather of Sir Richard Onslow (1601-1664), who inherited the family estate on the death of his brother, Sir Thomas Onslow, in 1616. Sir Richard was a member of the Long Parliament, and during the great Rebellion was a colonel in the parliamentary army. He was a member of Cromwell's parliament in 1654 and again in 1656, and was also a member of his House of Lords. His son, Sir Arthur Onslow (1621-1688), succeeded in 1687 by special remainder to the baronetcy of his father-in-law, Sir Thomas Foot, lord mayor of London. Sir Arthur's son, Sir Richard (1654-1717), was Speaker of the House of Commons from 1708 to 1710, and chancellor of the exchequer in 1715. In 1716 he was created Baron Onslow of Onslow and of Clandon. He was uncle of Arthur Onslow, the famous Speaker (see below), whose only son George became 4th Baron Onslow on the death of his kinsman Richard in October 1776. The 4th baron (1731-1814) had entered parliament in 1754, and was very active in the House of Commons; and in May 1776, just before he succeeded to the family barony, he was created Baron Cranley of Imbercourt. He was comptroller and then treasurer of the royal household, and was present at the marriage of the prince of Wales, afterwards George IV., with Mrs Fitzherbert in 1785. In 180r he was created Viscount Cranley and earl of Onslow, and he died at his Surrey residence, Clandon Park, on the 17th of May 1814. The second earl was his eldest son Thomas (1754-1827), whose son Arthur George (1 77718 7 o), the 3rd earl, died without surviving male issue in October 1870. He wa d s succeeded by his grand-nephew, William Hillier, 4th earl of Onslow (b. 1853), who was governor of New Zealand from 1888 to 1892; under-secretary for India from 1895 to 1900; and under-secretary for the Colonies from 1900 to 1903. From 1903 to 1905 he was a member of the Conservative cabinet as president of the board of agriculture.
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Chisholm, Hugh, General Editor. Entry for 'Earl of Onslow'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/e/earl-of-onslow.html. 1910.